| Ulbroka to Oerlinghausen | 712.75 mi (1,147.06 km) |
| Ulbroka to Oestrich-Winkel | 820.09 mi (1,319.81 km) |
| Ulbroka to Offenburg | 896.42 mi (1,442.65 km) |
| Ulbroka to Oftersheim | 831.00 mi (1,337.37 km) |
| Ulbroka to Ohrdruf | 692.59 mi (1,114.62 km) |
| Ulbroka to Ohringen | 810.71 mi (1,304.72 km) |
| Ulbroka to Olbernhau | 620.83 mi (999.12 km) |
| Ulbroka to Olching | 810.15 mi (1,303.81 km) |
| Ulbroka to Oldenburg | 685.93 mi (1,103.89 km) |
| Ulbroka to Oldenburg in Holstein | 552.52 mi (889.19 km) |
| Ulbroka to Olfen | 767.62 mi (1,235.36 km) |
| Ulbroka to Olpe | 780.58 mi (1,256.23 km) |
| Ulbroka to Olsberg | 744.23 mi (1,197.72 km) |
| Ulbroka to Oranienburg | 524.88 mi (844.72 km) |
| Ulbroka to Ortenberg | 768.94 mi (1,237.49 km) |
